1 files changed, 14 insertions, 12 deletions
diff --git a/EdkModulePkg/Bus/Pci/PciBus/Dxe/PciBus.msa b/EdkModulePkg/Bus/Pci/PciBus/Dxe/PciBus.msa
index 855fdd7591..b8e15f9fb3 100644
--- a/EdkModulePkg/Bus/Pci/PciBus/Dxe/PciBus.msa
+++ b/EdkModulePkg/Bus/Pci/PciBus/Dxe/PciBus.msa
@@ -6,18 +6,15 @@
     <GuidValue>93B80004-9FB3-11d4-9A3A-0090273FC14D</GuidValue>
     <Version>1.0</Version>
     <Abstract>Component description file for PciBus module.</Abstract>
-    <Description>PCI bus driver. This module will probe all PCI devices and allocate MMIO and IO
-       space for these devices.
-       LightPcdLib.c tagged with "ToolCode="DUMMY"" is light weight verison for PCI library
-       function. This version provide simple implementation and do not support hot plug. Only one
-       between PcdLib.c and LightPcdLib.c can be choosed. 
-    </Description>
+    <Description>PCI bus driver. This module will probe all PCI devices and allocate MMIO and IO
+       space for these devices. Please use PCD feature flag PcdPciBusHotplugDeviceSupport to enable
+       support hot plug.</Description>
     <Copyright>Copyright (c) 2006, Intel Corporation</Copyright>
-    <License>All rights reserved. This program and the accompanying materials
-      are licensed and made available under the terms and conditions of the BSD License
-      which accompanies this distribution.  The full text of the license may be found at
-      http://opensource.org/licenses/bsd-license.php
-      THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+    <License>All rights reserved. This program and the accompanying materials
+      are licensed and made available under the terms and conditions of the BSD License
+      which accompanies this distribution.  The full text of the license may be found at
+      http://opensource.org/licenses/bsd-license.php
+      THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
       WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.</License>
     <Specification>FRAMEWORK_BUILD_PACKAGING_SPECIFICATION   0x00000052</Specification>
   </MsaHeader>
@@ -93,7 +90,6 @@
     <Filename>pcibus.c</Filename>
     <Filename>PciIo.c</Filename>
     <Filename>PciLib.c</Filename>
-    <Filename ToolCode="DUMMY">LightPciLib.c</Filename>
   </SourceFiles>
   <PackageDependencies>
     <Package PackageGuid="5e0e9358-46b6-4ae2-8218-4ab8b9bbdcec"/>
@@ -178,5 +174,11 @@
       <TokenSpaceGuidCName>gEfiGenericPlatformTokenSpaceGuid</TokenSpaceGuidCName>
       <HelpText>Whether VGA decoding is enabled on this platform so we should avoid those aliased resources</HelpText>
     </PcdEntry>
+    <PcdEntry PcdItemType="FEATURE_FLAG" Usage="ALWAYS_CONSUMED">
+      <C_Name>PcdPciBusHotplugDeviceSupport</C_Name>
+      <TokenSpaceGuidCName>gEfiGenericPlatformTokenSpaceGuid</TokenSpaceGuidCName>
+      <DefaultValue>TRUE</DefaultValue>
+      <HelpText>If TRUE, the PCI bus driver will support hot plug device. If not hot plug device is supported, this feature flag can be set to FALSE to save size.</HelpText>
+    </PcdEntry>
   </PcdCoded>
 </ModuleSurfaceArea>
 \ No newline at end of file